Hair brush



FIG. 1 is a side view of a hair brush according to the present invention. The hair brush is shown in a holder, which is disclaimed in its entirety.

FIG. 2 is a top view thereof.

FIG. 3 is an exploded bottom view thereof.

FIG. 4 is an exploded side view thereof.

FIG. 5 is a first exploded perspective view thereof; and,

FIG. 6 is a second exploded perspective view thereof.

The broken lines showing a holder illustrate environmental structure that forms no part of the claimed design. 

CLAIM The ornamental design for a hair brush, as shown and described. 